<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册</title>
</head>
<body>
<h1>用户注册</h1>
<form action="reg">
    用户名:<input type="text" name="username"><br>
    密&nbsp;&nbsp;&nbsp;码:<input type="password" name="password"><br>
    昵&nbsp;&nbsp;&nbsp;称:<input type="text" name="nick"><br>
    年&nbsp;&nbsp;&nbsp;龄:<input type="text" name="age"><br>
    <input type="submit">
</form>
</body>
</html>